Potential changes to aircraft export credit rules worldwide, under a review by the OECD, could have a big impact on smaller air carriers, according to some airline industry executives. However, others say that changes must be made for a truly competitive landscape to exist.

The review, by the OECD’s aviation working group, Participants to the Sector Understanding on Export Credits for Civil Aircraft (the ASU), will be completed by year-end—after having its final industry consultation in November.